Genuine OEM Audi Windshield Washer Fluid Reservoir, part number 4M0955452C. This essential component stores the cleaning fluid used by the windshield washing system, ensuring a steady supply for clear visibility. It is typically located in the engine bay. With dimensions of 0.54m length, 0.5m width, and 0.17m height, it is designed for precise fitment. Choosing a genuine OEM reservoir ensures proper capacity, material integrity, and leak-free operation, maintaining the original system's performance.